A lot of stuff.

cases/case_3/case_3_description.md

@@ -128,8 +128,7 @@ A few comments on your notebook:
     - [A guide on regression performance metrics](https://machinelearningmastery.com/regression-metrics-for-machine-learning/)
       and
       some [material from scikit-learn on the same topic](https://scikit-learn.org/stable/modules/classes.html#regression-metrics)
-    -
-  An [introduction to cross-validation](https://machinelearningmastery.com/k-fold-cross-validation/)
+    - An [introduction to cross-validation](https://machinelearningmastery.com/k-fold-cross-validation/)
     - A
       thorough [review on why we need to use baselines](https://blog.ml.cmu.edu/2020/08/31/3-baselines/)
       in ML